Echinoidea name details
From editor or global species database
Status Mortensen (1948: p. 151) commented on the status of Hesperaster: "There cannot be the slightest doubt but that Clark's genus Hesperaster, […], is simply identical with the other Australian genus, Ammotrophus, described by Clark himself (1927), and one cannot but wonder how Clark could so entirely overlook the close resemblance between them." [details]
From editor or global species database
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